31 pages matching edward charles jeffrey in this book
What people are saying - Write a review
We haven't found any reviews in the usual places.
Abietineae Abietineous Adamana anatomy and phylogeny ancient Araucarian genus annual rings appear Araucarian Conifers Araucarian line Araucarineae Araucariopitys Bermuda BOSTON SOCIETY NATURAL broken base Carboniferous clearly condition of preservation Coniferales Coniferous stock considerable number cylindrical character E. C. Jeffrey female cone forests of Arizona fossil genus Pinus Geological Survey Ginkgo Harvard University Hubert Lyman Clark increments of growth J. A. Cushman larger scar living Araucarian genera living Conifers Lower Cretaceous magnification main axis memoir Mesozoic middle line morphology mother axis North America ovuliferous scale persistent leaf-trace petrified pith pits presence of short-shoots present article Price List Proceedings Professor J. B. Professor Seward repre represents S. H. Scudder Samuel H Samuel Henshaw secondary wood shows smaller scars SOCIETY NATURAL HISTORY Society of Natural specimen subtending surface Thomas Dwight tracheids transverse section Triassic forest trunk typical Araucarioxylon United States Geological William wood structure Woodworth Woodworthia arizonica woody cylinder